✅ OEM-Spec Ignition Coil by ChenXL – This is the same ignition coil supplied as an OEM part to select Chinese ATV and dirt bike manufacturers. Precision-manufactured to match or exceed factory specs for 50cc–125cc engines. ✅ Widely Compatible – Fits a broad range of models including Coolster, Taotao DB10, Apollo DB21, Kazuma Meerkat 50, Falcon 90, Roketa, Baja, and other horizontal engine dirt bikes, ATVs, and 4-wheelers. ✅ Proven Coil Performance – Primary resistance: 0.33 Ω ± 0.07 Secondary resistance: 3.3 kΩ ± 0.7 Primary inductance: 0.19 mH ± 0.038 Secondary inductance: 2.3 H ± 0.46 Tested at: 100 Hz, 1 V, ambient 20 ± 5°C ✅ High Voltage Durability – Withstands 28 kV for 2 minutes with no breakdown Spark discharge across 10 mm gap for 30 seconds Insulation resistance ≥ 1000 MΩ (500 V test) Plug boot pull strength > 100 N ✅ 1-Year Manufacturer Warranty – All ChenXL coils are factory-tested and built to JB/T9865.1-1999 national motorcycle standards. Backed by a full 1-year warranty for quality and performance assurance. Precision-engineered for 50cc–125cc engines, this OEM-grade coil fits most Chinese bikes